Female end connector, connector combination and end protection plate of female end connector

Abstract

The invention discloses a female end connector, a connector combination and an end protection plate of the female end connector, the female end connector comprises a base, a signal module and the end protection plate, and the base is provided with an accommodating groove; the signal module is provided with a plugging end and a signal tail end, the plugging end is plugged in the accommodating groove, the signal module comprises a shielding layer, and the shielding layer is provided with a connecting bulge; the end protection plate is provided with a first direction and a second direction which are perpendicular to each other, the end protection plate is provided with a connecting hole, the connecting protrusion is inserted into the connecting hole, the inner wall, abutting against the connecting protrusion, of the connecting hole is provided with a gully structure, the gully structure comprises protrusion arrays arranged at intervals in the first direction, and each protrusion array comprises protrusion sub-blocks arranged in the second direction. The electroplating quality is ensured by arranging the gully structures on the inner walls where the connecting holes abut against the connecting bulges, so that reliable lap joint can be formed between the connecting bulges and the connecting holes, and the integrity of backflow of the connector is ensured, thereby protecting the integrity of SI performance of a product.

Description

Technical Field

[0001] This application relates to the technical field of connectors, and particularly to a female connector, a connector assembly, and an end guard plate of the female connector. Background Art

[0002] With the rapid development of current communication technologies, the transmission rate is constantly increasing, and the requirements for the transmission rate and other performances of connectors are also getting higher and higher. For existing high-speed connectors, electroplating is required for the end guard plates. After the electroplated end guard plates are assembled into finished products, they can be lap-jointed with the shielding on the connectors, such as lap-jointed with shielding parts or ground traces. It is necessary to ensure the reliable lap-joint between the electroplated end guard plate and the connector shielding part to ensure the product performance. However, in actual use, the electroplating effect is poor, and the lap-joint between the end guard plate and the connector shielding part is not reliable, which cannot ensure the complete return current of the connector and affects the integrity of the SI performance of the product.

[0003] Therefore, it is necessary to improve the existing technology. Summary of the Invention

[0004] The present invention aims to at least solve one of the technical problems existing in the prior art, and provides a female connector, a connector assembly, and an end guard plate of the female connector.

[0005] According to one aspect of the present application, the present application provides a female connector, including: a base having a receiving groove; a signal module having a plug end and a signal tail end, the plug end being plugged into the receiving groove, the signal module including a shielding layer, and a connection protrusion being provided at one end of the shielding layer close to the signal tail end; and an end guard plate having a first direction and a second direction perpendicular to each other, the end guard plate being provided with a connection hole, the connection protrusion being plugged into the connection hole, so that the end guard plate covers the signal tail end, and a groove structure is provided on the inner wall of the connection hole where the connection protrusion abuts, the groove structure including a protrusion array arranged at intervals along the first direction, and each of the protrusion arrays includes protrusion sub-blocks arranged in an array along the second direction.

[0006] Further, the length of the protrusion sub-block in the first direction is equal to the distance between adjacent two of the protrusion arrays, and each of the protrusion sub-blocks is connected to each other along the second direction.

[0007] Optionally, the signal module further includes a mounting plate and a wiring assembly, the wiring assembly being encapsulated in the mounting plate, and the shielding layer being attached to one side of the mounting plate.

[0008] Further, a clamping groove is provided on one side of the end guard plate close to the signal tail end, and the mounting plate and the shielding layer are clamped in the clamping groove.

[0009] Further, the inner wall of the connection hole includes two first inner walls arranged oppositely, and each of the first inner walls is provided with the groove structure.

[0010] Further, the inner wall of the connection hole further includes two second inner walls arranged oppositely, the relative direction of the two second inner walls is perpendicular to the relative direction of the two first inner walls, each of the second inner walls is provided with the groove structure, and the groove structures on each of the second inner walls are spaced apart from the connection protrusions.

[0011] Further, one end of the end guard plate close to the base is provided with a fixing plate, the fixing plate has a fixing sub - part, and the shielding layer is arranged between the fixing sub - part and the mounting plate.

[0012] Further, the surface layer of the fixing sub - part is provided with the groove structure.

[0013] Further, the shielding layer is provided with an insertion piece bent towards the mounting plate, the mounting plate is provided with an insertion hole, and the insertion piece is inserted into the insertion hole.

[0014] Further, a fixing structure is provided between the mounting plate and the base, the fixing structure includes a wedge - shaped block and a fixing hole, the wedge - shaped block is arranged on one of the mounting plate and the base, and the fixing hole is arranged on the other.

[0015] Further, the surface layer of the end guard plate is provided with the groove structure.

[0016] According to another aspect of the present application, there is provided a connector combination, including the female - end connector as described in any one of the foregoing items, and the connector combination further includes a male - end connector used in docking with the female - end connector.

[0017] According to another aspect of the present application, there is provided an end guard plate of a female - end connector, having a first direction and a second direction perpendicular to each other. The end guard plate is provided with a connection hole for connecting with the shielding layer of the female - end connector. The shielding layer is provided with a connection protrusion, the connection protrusion is inserted into the connection hole, and the inner wall of the connection hole in contact with the connection protrusion is provided with a groove structure. The groove structure includes a protrusion array arranged at intervals in the first direction, and each of the protrusion arrays includes protrusion sub - blocks arranged in an array in the second direction.

[0018] The beneficial effects of this application are as follows: Different from the prior art, the end guard plate provided in this application is provided with connection holes, and the shielding layer is provided with connection protrusions. The connection between the end guard plate and the shielding layer is realized by inserting the connection protrusions into the connection holes. By setting a groove structure on the inner wall where the connection holes are in contact with the connection protrusions, the electroplating quality is ensured, a reliable lap joint can be formed between the connection protrusions and the connection holes, the integrity of the connector reflux is ensured, and thus the integrity of the SI performance of the product is protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following, in conjunction with the drawings, through a detailed description of the specific embodiments of this application, will make the technical solutions and other beneficial effects of this application obvious.

[0020] Figure 1 is a schematic structural diagram of a female connector provided by an embodiment of this application.

[0021] Figure 2 is Figure 1 the front view of

[0022] Figure 3 is Figure 2 the cross-sectional view taken along line A-A in

[0023] Figure 4 is Figure 3 the enlarged view at C in

[0024] Figure 5 is Figure 3 the enlarged view of another embodiment at C in

[0025] Figure 6 is Figure 3 the enlarged view at D in

[0026] Figure 7 is Figure 2 the cross-sectional view taken along line B-B in

[0027] Figure 8 is an exploded view of a female connector provided by an embodiment of this application.

[0028] Figure 9 is an exploded view of a signal module and an end guard plate provided by an embodiment of this application.

[0029] Figure 10 is a side view of an end guard plate provided by an embodiment of this application.

[0030] Figure 11 is an enlarged schematic diagram of a groove structure provided by an embodiment of this application.

[0031] Figure 12 is Figure 11 the front view of

[0032] Figure 13 is the SI performance curve of the prior art.

[0033] Figure 14 is the SI performance curve of this application.

[0034] In the figure:

[0035] 10. Base; 11. Accommodating groove;

[0036] 20. Signal module; 21. Plug-in end; 22. Signal tail end; 23. Shielding layer; 231. Connection protrusion; 232. Insert piece; 24. Mounting plate; 241. Jack; 242. Wedge block;

[0037] 30. End guard plate; 31. Connection hole; 311. First inner wall; 312. Second inner wall; 32. Gully structure; 321. Protrusion array; 3211. Protrusion sub-block; 33. Clamping groove; 34. Fixed plate; 341. Fixed sub-part. Detailed implementation manners

[0038] Next, the technical solutions in the embodiments of this application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of this application.

[0039] In the description of this application, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

[0040] In the prior art, the end guard plate generally undergoes a sandblasting process before electroplating to improve the bonding force between the plating type and the base material. However, since the borax process will form an irregular structure on the surface of the end guard plate, that is, it will damage the surface of the end guard plate, and the electroplating performance at the damaged part is poor, which is not conducive to the stability of the lap joint between the end guard plate and the shielding part, and affects the SI performance of the product.

[0041] To solve the above technical problems, an embodiment of the present application provides a female connector. The female connector includes: a base, a signal module, and an end guard plate. The base has a receiving groove; the signal module has a plug-in end and a signal tail end. The plug-in end is plugged into the receiving groove. The signal module includes a shielding layer, and a connecting protrusion is provided at one end of the shielding layer close to the signal tail end; the end guard plate has a first direction and a second direction perpendicular to each other. The end guard plate is provided with a connecting hole, and the connecting protrusion is plugged into the connecting hole, so that the end guard plate covers the signal tail end. A groove structure is provided on the inner wall of the connecting hole in contact with the connecting protrusion. The groove structure includes a protrusion array arranged at intervals in the first direction, and each protrusion array includes protrusion sub-blocks arrayed in the second direction. The following will be elaborated in detail.

[0042] See Figure 1 、 Figure 2 、 Figure 8 and Figure 9 , Figure 1 FIG. 14 is a schematic structural diagram of a female connector provided by an embodiment of the present application, Figure 2 which is Figure 1 the front view of Figure 8 FIG. 15 is an exploded view of a female connector provided by an embodiment of the present application, Figure 9 and FIG. 16 is an exploded view of a signal module and an end guard plate provided by an embodiment of the present application.

[0043] In one embodiment, the above-mentioned female connector includes a base 10, a signal module 20, and an end guard plate 30. The above-mentioned base 10 is provided with a receiving groove 11. The above-mentioned signal module 20 includes a plug-in end 21 and a signal tail end 22. The above-mentioned plug-in end 21 is plugged into the above-mentioned receiving groove 11, that is, the above-mentioned signal module 20 is plugged into the above-mentioned base 10. The above-mentioned end guard plate 30 covers the above-mentioned signal tail end 22. The above-mentioned signal module 20 includes a shielding layer 23, a mounting plate 24, and a wiring assembly. Among them, the above-mentioned wiring assembly is encapsulated inside the above-mentioned mounting plate 24. The above-mentioned shielding layer 23 is attached to one side of the above-mentioned mounting plate 24, and a connecting protrusion 231 is provided at one end of the above-mentioned shielding layer 23 close to the above-mentioned signal tail end 22. A connecting hole 31 is provided on the above-mentioned end guard plate 30, and the above-mentioned connecting protrusion 231 is plugged into the above-mentioned connecting hole 31. Through the cooperation of the above-mentioned connecting protrusion 231 and the above-mentioned connecting hole 31, the end guard plate 30 covers the signal tail end 22.

[0044] In addition, a clamping groove 33 is provided on one side of the above-mentioned end guard plate 30 close to the signal tail end 22 (as Figure 10 shown in Figure 10 FIG. 17 which is a side view of an end guard plate provided by an embodiment of the present application), the above-mentioned mounting plate 24 and the above-mentioned shielding layer 23 are clamped in the above-mentioned clamping groove 33, and the end guard plate 30 has a fixing and limiting effect on the mounting plate 24 and the shielding layer 23 (asFigure 3 and Figure 7 as shown in Figure 3 is Figure 2 a cross-sectional view taken along line A-A in Figure 7 is Figure 2 a cross-sectional view taken along line B-B in); during the actual assembly process, the end guard plate 30 is moved towards the signal tail end 22 until the connecting protrusion 231 is inserted into the above-mentioned connecting hole 31. At this time, the above-mentioned mounting plate 24 and the shielding layer 23 are clamped in the above-mentioned clamping groove 33, ensuring the stability of the structure and being beneficial to the improvement of the performance of the connector.

[0045] It should be noted that the number of the above-mentioned accommodation grooves 11 is two in this embodiment, corresponding to two signal modules 20. In other embodiments, it can be set to other numbers, not limited to this; the above-mentioned wiring assembly is not shown in the figure, which does not affect the description of the solution of this application. The specific layout can select different wiring assemblies according to the actual usage situation, and will not be elaborated here; in this embodiment, the above-mentioned mounting plate 24 is provided with positioning posts, and the position of the shielding layer 23 on the mounting plate 24 is positioned through the positioning posts, which will not be elaborated here.

[0046] Furthermore, the inner wall of the above-mentioned connecting hole 31 in contact with the above-mentioned connecting protrusion 231 is provided with a groove structure 32 (as Figure 4 shown in Figure 4 is Figure 3 an enlarged view at C in), it should be noted that the size of the groove structure 32 is small, and this application uses a partial enlarged view to show the groove structure 32, as Figure 11 and Figure 12 shown in Figure 11 is an enlarged schematic diagram of a groove structure provided by an embodiment of this application, Figure 12 is Figure 11 the front view of, the above-mentioned end guard plate 30 has a first direction perpendicular to each other (as Figure 12 shown by the direction X in, the same below) and a second direction (as Figure 12 shown by the direction Y in, the same below), the above-mentioned groove structure 32 includes a protrusion array 321 arranged at intervals along the above-mentioned first direction, and each protrusion array 321 includes protrusion sub-blocks 3211 arranged in an array along the above-mentioned second direction. Through the setting of the above-mentioned protrusion sub-blocks 3211, the stability of the inner wall of the connecting hole 31 is improved, and at the same time, the bonding force between the end guard plate 30 and the plating type during electroplating can be increased, improving the electroplating effect, and the protrusion sub-blocks 3211 can ensure the firm connection of the connecting protrusion 231, thereby ensuring the reliability of the lap joint between the connecting protrusion 231 and the connecting hole 31 (i.e., the end guard plate 30), ensuring the integrity of the connector return current, and improving the integrity of the SI performance of the product. Refer to Figure 13 and Figure 14 , Figure 13 is the SI performance curve diagram of the prior art, Figure 14is the SI performance curve diagram of the present application. In the SI performance curve diagram, the abscissa represents frequency and the ordinate represents amplitude. When the frequency is 8 GHz - 10 GHz, it can be clearly compared that: in the prior art (i.e., Figure 13 ), the lap joint between the connecting protrusion 231 and the connecting hole 31 is unstable, resulting in resonance points in the curve, which has a great impact on the overall SI performance of the connector; in the solution of the present application (i.e., Figure 14 ), the lap joint between the connecting protrusion and the connecting hole 31 is stable without any abnormality.

[0047] It should be noted that due to the setting of the groove structure 32, that is, the setting of the protruding sub-block 3211, when the connecting protrusion 231 is inserted into the connecting hole 31, it abuts against the protruding sub-block 3211. Since the protruding sub-blocks 3211 are arranged in an array in the second direction, the connecting protrusion 231 abuts against multiple protruding sub-blocks 3211, and the abutting points (i.e., lap joints) are clear (arranged by one lap joint after another). At the same time, multiple protruding sub-blocks 3211 can ensure the reliability of the connection and improve the stability of the overall SI performance.

[0048] Please continue to refer to Figure 11 and Figure 12 , in an embodiment, the length of the above-mentioned protruding sub-block 3211 in the first direction is L2 mm, and the distance between adjacent two protruding arrays 321 is L1 mm, satisfying: L1 = L2, and 0 < L1 ≤ 0.08, 0 < L2 ≤ 0.08. In this embodiment, L1 = L2 = 0.05 is taken. In other embodiments, other data settings can be made according to the actual production process; in addition, the above-mentioned protruding sub-blocks 3211 are connected to each other in the second direction. Such a setting can ensure the strength of the protruding array 321. In this embodiment, the above-mentioned protruding sub-blocks 3211 are arranged in a wavy shape, which will not be elaborated here.

[0049] Please continue to refer to Figure 4, in one embodiment, the inner wall of the connecting hole 31 includes two first inner walls 311 arranged oppositely, and each first inner wall 311 is provided with a groove structure 32. The inner wall of the connecting hole 31 further includes second inner walls 312 arranged oppositely, and the relative direction of the two second inner walls 312 is perpendicular to the relative direction of the two first inner walls 311. In this embodiment, the connecting hole 31 is rectangular, and in other embodiments, it can also be set in other shapes, depending on the shape of the connecting protrusion 231, which will not be elaborated here; when the connecting hole 31 is rectangular, the connecting protrusion 231 is also rectangular. In this embodiment, the connecting protrusion 231 abuts against the groove structure 32 on the first inner wall 311, and there is a gap between the connecting protrusion 231 and the second inner wall 312. With such a setting, when installing the end guard plate 30, that is, when the connecting protrusion 231 is inserted into the connecting hole 31, the connecting protrusion 231 only receives the extrusion force from the first inner wall 311, and the force is reasonable, avoiding deformation of the connecting protrusion 231 due to excessive force and affecting the performance of the connector. If the second inner wall 312 also abuts against the connecting protrusion 231, the connecting hole 31 will be deformed under extrusion, which is not conducive to the stability of the connection between the connecting protrusion 231 and the connecting hole 31 and is not conducive to the improvement of the connector performance.

[0050] It should be noted that, in some embodiments, the groove structure 32 is provided on each of the second inner walls 312, and there is also a gap between the groove structure 32 on the second inner wall 312 and the connecting protrusion 231 (as Figure 5 shown, Figure 5 is Figure 3 the enlarged view of another embodiment at C in Figure 5 the perspective view), and the height of the protruding sub-block 3211 (i.e., the horizontal distance in Figure 5 the perspective view) is h mm, satisfying: 0 < h ≤ 0.06. In this embodiment, the value is 0.03, and in other embodiments, it can be set with other data, depending on the actual production process, which will not be elaborated here.

[0051] Please refer to Figure 6 , Figure 6 is Figure 3An enlarged view of position D in the figure. In one embodiment, a fixing plate 34 is provided at one end of the above-mentioned end guard plate 30 close to the above-mentioned base 10. The fixing plate 34 has a fixing sub-part 341, and the above-mentioned shielding layer 23 is arranged between the fixing sub-part 341 and the mounting plate 24; the shielding layer 23 can be fixed by the fixing sub-part 341, and the fixing sub-part 341 overlaps with the shielding layer 23, which can meet the performance requirements of the connector. In another embodiment, a groove structure 32 is provided on the surface layer of the fixing sub-part 341. The strength of the fixing sub-part 341 can be improved through the groove structure 32. During the use process, there will inevitably be vibrations and collisions. The groove structure 32 is provided to prevent damage or deformation of the fixing sub-part 341. In some embodiments, the thickness of the fixing sub-part 341 is only 0.05 mm. Therefore, the groove structure 32 can effectively avoid the above-mentioned unexpected situations, ensure the integrity of the structure, and further ensure the integrity of the SI performance of the product.

[0052] It should be noted that during the actual operation of this application, the end guard plate 30 is pretreated before electroplating through the technology of ion bombardment. To reduce the processing cost, the entire exposed surface layer of the end guard plate 30 is subjected to ion bombardment to form the above-mentioned groove structure 32, which will not be elaborated here.

[0053] Please continue to refer to Figure 9 , the above-mentioned shielding layer 23 is provided with an insertion piece 232 bent towards the mounting plate 24, and a jack 241 is provided at the corresponding position on the mounting plate 24. The insertion piece 232 is inserted into the jack 241; and a fixing structure is provided between the mounting plate 24 and the base 10. The fixing structure includes a wedge block 242 and a fixing hole. The wedge block 242 is arranged on the mounting plate 24, and the fixing hole is arranged on the base 10 (as Figure 8 shown). In other embodiments, the positions of the wedge block 242 and the fixing hole can be interchanged, which will not be elaborated here. The signal module 20 can be quickly fixed after being inserted through the wedge block 242. The structure is simple and easy to use. In still other embodiments, it can also be other forms of fixing structures, not limited to this.

[0054] The embodiment of the present application also provides a connector combination, including the female end connector of any one of the above, and the connector combination further includes a male end connector used for docking with the female end connector.

[0055] A connection hole is provided on the end guard plate provided by the present application, and a connection protrusion is provided on the shielding layer. The connection between the end guard plate and the shielding layer is realized by inserting the connection protrusion into the connection hole. By setting a groove structure on the inner wall where the connection hole abuts against the connection protrusion, the electroplating quality is ensured, a reliable overlap can be formed between the connection protrusion and the connection hole, the integrity of the connector reflux is ensured, and thus the integrity of the SI performance of the product is protected.

[0056] In various embodiments of the present application, if there is no special description and logical conflict, the terms or descriptions between different embodiments are consistent and can be referenced to each other. The technical features in different embodiments can be combined to form new embodiments according to their internal logical relationships. In the present application, "at least one" means one or more, and "a plurality of" means two or more than two.

[0057] It can be understood that the various numerical numbers involved in the embodiments of the present application are only for the convenience of description and do not limit the scope of the embodiments of the present application. The magnitude of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic.

[0058] The above has introduced in detail a female terminal connector, a connector combination and an end guard plate of the female terminal connector provided by the embodiments of the present application. Specific examples are used in this article to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the female terminal connector of the present application and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the present application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present application.

Claims

1. A female connector, characterized in that, Comprising: A base (10) having a receiving groove (11); A signal module (20) having a plug-in end (21) and a signal tail end (22), the plug-in end (21) being plugged into the receiving groove (11), the signal module (20) including a shielding layer (23), and a connection protrusion (231) being provided at one end of the shielding layer (23) close to the signal tail end (22); and An end guard plate (30) having a first direction (X) and a second direction (Y) perpendicular to each other, the end guard plate (30) being provided with a connection hole (31), the connection protrusion (231) being plugged into the connection hole (31) such that the end guard plate (30) covers the signal tail end (22), and a groove structure (32) being provided on an inner wall of the connection hole (31) in contact with the connection protrusion (231), the groove structure (32) including a protrusion array (321) arranged at intervals in the first direction (X), and each of the protrusion arrays (321) including protrusion sub-blocks (3211) arrayed in the second direction (Y).

2. The female terminal connector according to claim 1, wherein The length of the protrusion sub-block (3211) in the first direction (X) is equal to the distance between two adjacent protrusion arrays (321), and the protrusion sub-blocks (3211) are connected to each other along the second direction.

3. The female terminal connector according to claim 1, wherein The signal module (20) further includes a mounting plate (24) and a wiring assembly, the wiring assembly being encapsulated in the mounting plate (24), and the shielding layer (23) being attached to one side of the mounting plate (24).

4. The female terminal connector according to claim 3, wherein A clamping groove (33) is provided on a side of the end guard plate (30) close to the signal tail end (22), and the mounting plate (24) and the shielding layer (23) are clamped in the clamping groove (33).

5. The female terminal connector according to claim 1, wherein The inner wall of the connection hole (31) includes two opposite first inner walls (311), and the groove structure (32) is provided on each of the first inner walls (311).

6. The female terminal connector according to claim 5, wherein The inner wall of the connection hole (31) further includes two opposite second inner walls (312), the relative direction of the two second inner walls (312) is perpendicular to the relative direction of the two first inner walls (311), the groove structure (32) is provided on each of the second inner walls (312), and the groove structure (32) on each of the second inner walls (312) is spaced from the connection protrusion (231).

7. The female terminal connector according to claim 3, wherein A fixing plate (34) is provided at one end of the end guard plate (30) close to the base (10), the fixing plate (34) having a fixing sub-part (341), and the shielding layer (23) is disposed between the fixing sub-part (341) and the mounting plate (24).

8. The female terminal connector according to claim 7, wherein The surface layer of the stator part (341) is provided with the groove structure (32).

9. The female terminal connector according to claim 3, wherein The shielding layer (23) is provided with a tab (232) bent towards the mounting plate (24), the mounting plate (24) is provided with a jack (241), and the tab (232) is inserted into the jack (241).

10. The female terminal connector according to claim 3, wherein A fixing structure is provided between the mounting plate (24) and the base (10), and the fixing structure includes a wedge block (242) and a fixing hole. The wedge block (242) is arranged on one of the mounting plate (24) and the base (10), and the fixing hole is arranged on the other.

11. The female terminal connector according to claim 1, wherein The surface layer of the end guard plate (30) is provided with the groove structure (32).

12. A connector combination, characterized in that, Including the female terminal connector according to any one of claims 1 to 11, the connector assembly further includes a male terminal connector used in docking with the female terminal connector.

13. An end guard plate of a female connector, characterized in that, There are a first direction (X) and a second direction (Y) perpendicular to each other. The end guard plate (30) is provided with a connection hole (31) for connecting with the shielding layer (23) of the female terminal connector. The shielding layer (23) is provided with a connection protrusion (231). The connection protrusion (231) is inserted into the connection hole (31). The inner wall of the connection hole (31) in contact with the connection protrusion (231) is provided with the groove structure (32). The groove structure (32) includes a protrusion array (321) arranged at intervals along the first direction (X). Each of the protrusion arrays (321) includes protrusion sub-blocks (3211) arranged in an array along the second direction (Y).

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